Doring, P. F. <br/><br/>
Colloquial German / 
by P. F. Doring 
 - 4th ed. 
 - London :  Routledge & Kegan Paul,  1979 
 - 149 p. ;  19 cm. 
<br/><br/><label>ISBN: </label>0710004826 
<br/><br/><label>LCCN: </label>80-110023 
<br/><br/><label>Subjects--Topical Terms: </label><br/>German language--Spoken German